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859ff3505c
SwiftTailCC has a different set of requirements than the C calling convention for a tail call. The exact argument sequence doesn't have to match, but fewer ABI-affecting attributes are allowed. Also make sure the musttail diagnostic triggers if a musttail call isn't actually a tail call.
12 lines
482 B
LLVM
12 lines
482 B
LLVM
; RUN: opt -verify %s
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define swifttailcc void @valid_attrs(i64* sret(i64) %ret, i8* byval(i8) %byval, i8* swiftself %self, i8* swiftasync %ctx) {
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musttail call swifttailcc void @valid_attrs(i64* sret(i64) %ret, i8* byval(i8) %byval, i8* swiftself %self, i8* swiftasync %ctx)
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ret void
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}
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define swifttailcc void @mismatch_parms() {
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musttail call swifttailcc void @valid_attrs(i64* sret(i64) undef, i8* byval(i8) undef, i8* swiftself undef, i8* swiftasync undef)
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ret void
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}
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